Catheter



FIG. 1 is a front perspective view of a catheter showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side perspective view thereof;

FIG. 4 is a left side perspective view thereof;

FIG. 5 is a top end view thereof; and,

FIG. 6 is a bottom end view thereof. 

The ornamental design for a catheter, as shown. 